January to April: Water temperature is at its lowest at this time of year as is between 18 to 20 degrees. You will need a full 5 or 7mm with oversuit. And a hood is advised
April to November: Water temperature is at its highest and is between 22-25 degrees. You will need a 5mm full suit and will not require a hood, unless you really feel the cold.
November to December: Water temperature is starting to drop again and is between 20 to 22 degrees. A full 5 or 7mm suit is required and if you feel the cold you may need an over suit.